TY - RPRT TI - Changes in the approval process for contrast media. AU - V M Runge PY - 1999 DO - 10.1002/(sici)1522-2586(199909)10:3<485::aid-jmri34>3.0.co;2-g UR - https://pubmed.ncbi.nlm.nih.gov/10508313/ ID - 10508313 ER -